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Re: [Xen-devel] Shell test for pv vs hvm (vs dom0)

To: Stephan Seitz <s.seitz@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] Shell test for pv vs hvm (vs dom0)
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Sat, 23 Feb 2008 14:35:31 +0000
Cc: "dan.magenheimer@xxxxxxxxxx" <dan.magenheimer@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
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Thread-topic: [Xen-devel] Shell test for pv vs hvm (vs dom0)
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There's already HVM strings in SMBIOS and ACPI tables, but they're not
particularly accessible from shell scripts in a generic way.

 -- Keir

On 23/2/08 14:26, "Stephan Seitz" <s.seitz@xxxxxxxxxxxx> wrote:

> Could it be possible to define some bios magic for "hardware vendor"?
> So a HVM Guest would ask "What hardware am I running on?"
> Just a thought...
> Keir Fraser schrieb:
>> There's no general way to discriminate between HVM and native from a shell
>> script. You might discriminate between HVM and PV on Linux by looking for
>> /sys/hypervisor or /proc/xen.
>>  -- Keir
>> On 22/2/08 22:38, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote:
>>> Thanks for pointing this tool out!  Looks useful.
>>> Unfortunately, for it to be broadly useful, it would have
>>> to ship with all distros as compiling it "on demand" on
>>> the guest is often not an option.

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